(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

APERFEIÇOAMENTOS INTRODUZIDOS EM ROTOR DISTRIBUIDOR DE AR

Em AnáliseInvention Patent

Application data

Number

PI8803605

Type

Invention Patent

Filing

07/14/1988

Publication

12/27/1988

Progress at the INPI

  1. Filing07/14/88
  2. Publication12/27/88
  3. Examination03/14/89
  4. Allowance10/29/91
  5. Grant09/29/92
  6. Expired09/02/08

The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Col-Ven Sociedad Anônima

AR

Inventors

R. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/14/1989

RPI 960

Publicação antecipada

#3.2

12/27/1988

RPI 949

Pedido de patente depositado

#2.1

12/13/1988

RPI 947

Carta-patente expirada

#21.1

Patente extinta em 14/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

09/29/1992

RPI 1139

Notificação para pagamento de retribuição

#13.1

03/10/1992

RPI 1110

Deferimento

#9.1

10/29/1991

RPI 1091

14.1

09/04/1990

RPI 1031

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.